Mobile suction machine for removing insects from plants



H. 8. WILSON June 30, 1953 MOBILE SUCTION MACHINE FOR REMOVING INSECTS FROM PLANTS 7 SheetS-Sh eet 1 Filed larch 26, 1948 Inventor Harry 5. Wilson MOBILE suc'rzou MACHINE FOR REMOVING INSECTS FROM PLANTS Filed March 26, 1948 H. 5. WILSON June 30, 1953 7 Sheets-Sheet 2 Inventor Harry 5. Wilson June 30, 1953 5. WILSON 2,643,482

MOBILE SUCTION MACHINE FOR RBAOVING INSECTS FROM PLANTS Filed March 26, 1948 7 Sheets-Sheet 3 Harry Wilson June 30, 1953 H. s. WILSON 2,643,432

MOBILE SUCTION MACHINE FOR REMOVING INSECTS FRQII PLANTS Filed March 26, 1948 '7 Sheets-Sheet 4 m -Q m. S s

Harry 5. Wilson Inventor June 30, 1953 H. 5. WILSON MOBILE SUCTION MACHINE FOR REMOVING INSECTS FROM PLANTS Filed March 2a, 1948 7 Sheets-Sheet 5 Inventor Harry 5 Wilson WW as H. 5. WILSON 2,643,482

' MOBILE SUCTION MACHINE FOR REMOVING INSECTS FROM PLANTS June 30, 1953 '7 Sheets-Sheet 6 Filed March 26, 1948 Harry 5. Wilson 0 i MW Attorneys June 30, 1953 H. 5. WILSON 2,643,482

MOBILE SUCTION MACHINE FOR REMOVING INSECTS FROM PLANTS Filed March 26, 1948 7 Sheets-Sheet '7 Patented June 30, 1953 MOBILE SUCTION MACHINE FOR REMQVING INSECTS FROM PLANTS Harry S. Wilson, Andrews, Tex.

Application March 26, 1948, Serial No. 17.324

3 Claims.

This invention relates to a plant cleaning and insect control attachment for a tractor and has for its primary object the removal of undesirable matter and insects from. a row are plurality of rows of standing plants.

Another object is to destroy the insects removed from the plants.

A further object is to cover both the upper and under sides of the plants with insecticide so as to inhibit the reproduction and growth of insects or their larva which may adhere to the plants after treatment.

A still further object is to insure adequate treatment of the plants irrespective of the type of terrain in which they are growing.

The above and other objects may be attained by employing this invention which embodies among its features a boot having an open side adapted to be advanced beside and in parallel relation to a row of standing plants, a conduit leading from the boot and means to direct an air blast across the plants in-the row to cause insects and undesirable matter adherin to the plants to be dislodged and conveyed into the conduit through the bOOt.

Other features include a receptacle detachably coupled to the conduit into which the insects and foreign matter are directed by the conduit for subsequent disposal.

Still additional features include means for introducing an insecticide into the air blast to cause the latter to cover the foliage of the plants and thus inhibit subsequent growth and development of insects on the plants. 1

Still further features include a beam adapted to be mounted across one end of a farm tractor, pairs of boots mounted on the beam, said boots having opensides arranged so that the open sides of each pair of boots are in opposed relation, air blast discharge nozzles mounted on the beam between the boots with their discharge ends directed toward the boots, a common receptacle for each pair of boots, conduits leading from each pair of boots to one of the receptacles and means mounted on the tractor to direct an air blast to the nozzles and across a plurality of rows of standing plants to dislodge insects and undesirable matter from the plants and direct it into the receptacles through the boots and conduits.

In the drawings:

Fi ur 1 is a side view of. a farm tractor equipped with my improved plant cleaning and insect control attachment;

Figure 2 is a top plan view of the tractor and control attachment illustrated in Figure 1;

view talgen substantially along the line 4-4 of Figure 3;

Figure 5 is a fragmentary enlarged sectional view taken substantially along the line 5-5 of Fi ure 3;

Figure 6 is a fra mentary sectional view taken substantially along the line 6--B of Figure 1;

Figure 7 is a side view of a farm tractor showing a modified form of attachment in place thereon;

Figure 8 is a front view of another modification;

Figure 9 is a fragmentary top plan view of the device illustrated in Figure 8.;

Figure 10 is a fragmentary sectional view illustrating the drive mechanism of the modified form of the invention illustrated in Figures 8 and 9;

Figure 11 is a fragmentary view on a slightly enlarged scale of the type of attachment illustrated in Figure 1, showing the preferred form of receptacle for the insects and undesirable matter;

Figure 12 is a fragmentary sectional view taken substantially along the line Ii -12 of Figure 11;

Figure 13 is a fragmentary sectional view similar to Figure 11 illustrating in section another type of receptacle;

Figure 14 is a fragmentary perspective view of the forward end of a farm tractor illustrating a modified form of mounting for the attachment;

Figure 15 is a fragmentary top plan view of a further modification illustrating the use of two separate blowers driven from the front end of the tractor;

Figure 16 is a fragmentary front view in elevation of the structure illustrated in Figure 15;

Figure 17 is a fragmentary sectional view showing the drive means for the device illustrated in Figures 15 and 16;

Figure 18 is a view similar to Figure 1 of a further modification of the invention illustrating a blower as being driven by a flexible shaft from the power take-01f of the tractor;

Figure 19 is a fragmentary plan view of one end of the modified form of the invention illustrated in Figure 18;

Figure 20 is a fragmentary front view of the type of device illustrated in Figure 18; and,

Figure 21 is a sectional view on a slightly enlarged scale taken substantially along the line 41-41. of Figure 19.

Referring to the drawings in detail, a conventional farm tractor designated generally in Figure 1 is equipped at its rear end with a drive pulley 26 of conventional power take-off.

Fixed to the side bars of the tractor and extending rearwardly therefrom is a pair of spaced parallel supporting bars 28 upon which a conventional blower 29 is mounted in any suitable manner. The drive shaft 30 of the fan of the blower 29 is equipped with a drive pulley 3| which has driving connection with the power take-01f pulley 26 of the tractor 25 through the medium of an endless belt 32. Coupled by a flexible conduit 33 to the discharge end of the blower 23 is a conduit 34 which extends along one side of the tractor toward its forward end and coupled to the conduit 34 by a link 35 of flexible conduit is a rigid conduit 36 which extends forwardly beyond the forward end of the hood enclosing the power plant of the tractor. A suitable supporting bracket 31 is fixed to the side of the tractor 25 and encircles the forward end ofthe conduit section 34 in order to hold it in proper position on the tractor while the forward conduit 36 may flex with the movements of the frame to be more fully hereinafter described.

Bolted or otherwise rigidly attached to the side rails of the frame of the tractor are forwardly extending supporting bars 38 carrying at their forward ends a cross bar 39. A standard 40 extends.

upwardly from the cross bar 39 substantially midway between opposite ends thereof, and mounted for vertical sliding movement on the standard is a sleeve 4| carrying adjacent its lower end a forwardly extending pivot pin 42 the.

axis of which lies substantially in the plane of the longitudinal axis of the tractor 25. Pivoted to and extending rearwardly and downwardly from the sleeve 4| intermediate its ends is a link 43 to the lower end of which is pivoted the forward endv ings. The arm 28 of the bell crank lever 45 opposite the lever 44 projects upwardly and coupled to the upper end of the arm 48 is one end of a pull rod 49, the opposite end of which is connected to a hand lever 50 which is pivotally supported on a suitable bracket 5| near the position of the operator of the tractor so that the hand lever 56 will be in easy reach of the operator. The lever 56 is equipped with a conventional latch mechanism 52 which is adapted to cooperate with a conventional quadrant 53 carried by the bracket 5| so as 4 to hold the lever in various adjusted positions about its pivot. It will thus be seen that by moving the hand lever 50 about its pivot, the sleeve 4| may be moved to various heights on the standard or column 40.

Mounted for rocking movement on the forwardly extending shaft 42 is a sleeve 53 to which is fixed frame 54 comprising a pair of laterally extending spaced parallel supporting bars 54. These bars are co-extensive with one another and project laterally beyond opposite sides of the tractor 25, and opposite ends of the bars 54 are joined by end bars 55 to each of which is connected a depending frame 56. Mounted for rotation in each frame 56 about a vertical axis is the shank 51 of a yoke 58 in which a caster wheel 59 is mounted to rotate. Fixed to the upper end of the standard 0r column 43 is a pair of oppositely extending guy wires 60 which are provided intermediate their ends with retractile springs n turnbuckles 62. The ends of the guy wires 60 opposite those which are connected to the standard or column 40 are coupled through the medium of suitable loops or eyes 63 to the rearmost bar 54 of the frame 54 intermediate the ends thereof and the shaft 42. It will thus be seen that the frame formed by the bars 54 and 55 may rock about the axis of the shaft 42 under the influence of the wheels 59, and yet return to its initial position under the influence of the springs 6 Supported at opposite ends of the frame 54 formed by bars 54 and 55 are depending boots designated generally 64. Similar boots designated generally 65 are supported intermediate the ends of the bars 54 in spaced parallel relation on opposite sides of the pivot shaft 42. Each boot comprises a vertically extending wall 66 provided along one vertical edge with an upwardly extending flange 61 which terminates at its free edge in a flange 68 which lies parallel with the wall 66 but projects from the flange 61 in a direction opposite the wall 66. The edge of the wall 66 remote from the flange 61 is provided with a parallel flange 69 which terminates intermediate the upper and lower ends of the wall 66 and projects from the wall 66 in the direction of the A rearwardly extending guard member 10 extends from the rear edge of the wall 66 in the frame thereof, and cooperates with the wall 66 in directing the flow of air upwardly as will be more fully hereinafter described.

Coupled in any suitable manner to the upper edge of each boot 65 is an arched conduit 1| which comprises a substantially transversely channel-shaped body having the channel inverted and the flanges of which are formed with inwardly extending flanges 12 to form on the bottom periphery of the arched conduit an air escape opening 13 in the form of a longitudinal bottom slot in the conduit coextensive therewith and narrower than the same. As illustrated in Figure 2 the arched conduits extend upwardly and forwardly and terminate at their ends opposite the boots 65 in a common discharge and coupling ring 14. Each such ring 14 is provided with an annular groove I5, the purpose of which will be more fully hereinafter explained.

As illustrated the open sides of the boots 64 are arranged in opposed relation, and mounted on the frame 54 formed between each pair of boots are air discharge nozzles 16, each of which is provided with a vertically extending air discharge slot 11 which opens toward an adjacent boot, so that air entering the discharge nozzles 16 will be directed across the space between the nozzles 16 and the boots 64 to blow insects and foreign mat ter from plants which may be standing between the nozzles and the boots. Openin into the upper end of each nozzle 16 is a flexible conduit 18 which is coupled through the medium of the branch pipe 19 to the forward end of the conduit 36 previously described. It will thus be seen that the air blast created by the blower 29 will be directed through the nozzles 16 and into the boots 65.

Detachably supported on the end of each discharge and coupling ring 14 is a receptacle designated generally which in one form comprises a small cylindrical body 8| (Fig. 13) provided with a conical bottom 82 formed with an axial discharge opening 83. The end of the cylindrical body 8| opposite the bottom 82 is provided with a reduced neck 84 having radially spaced set screws 85 for engagement in the annular groov 15 is a coupling ring I4, A suitable foraminous wall 86 extends transverselyw-ithin the'cylindrical body SI so that insects and foreign matter carried through the arched conduits H by the air blast will be intercepted by the foraminous wall and retained within the receptacle 80 while the air blowing thereinto is discharged into the opening 83.

In certain instances it is desirable completely to destroy the insects and foreign matter in which event a receptacle designated generally 81 is employed. This receptacle like the receptacle 89 is equipped with a reduced neck 88 carrying coupling means for connection to the coupling and discharge ring 14 and comprises a cylindrical body 89 provided adjacent its upper end and inwardly extending downwardly inclined baiile plate which extends partly across the receptacle as will be readily understood upon reference to Figures 11 and 12. Formed in the side of the receptacle 89 directly opposite the baffle plate 98 is a burner opening 9I in which a suitable gaseous fuel burner 92 is supported in such a position as to direct the flames issuing therefrom toward the baflle plate 90. A similar baffle plate 93 extends inwardly and downwardly across the receptacle from the side having the opening 0! therein, and this wall 93 is disposed slightly below the burner 92 and the lower edge of the baffle plate 90. Formed in the wall of the tubular body 89 opposite the bafiie plate 93 is a burner lar body slightly above the conical baffle 96 is an air discharge opening 99 to which a downwardly extending air discharge conduit I00 is connected. With this type of receptacle designated generally 8? I prefer to employ a rearwardly extending frame It! which is detachably coupled to the rear sid of each discharge nozzle T0 and carries at its lower end a pair of convergent dished wheels Hi2. When the receptacle 0'! is employed the door 93 is periodically opened to discharge the burned contents of the receptacle onto the ground, and the dished wheels I02 serve to bury the ashes into the ground as the treatment of the plants progresses.

In Figure 14 I have shown an alternative mounting for the plant cleaning and insect control attachment and in this structure the tractor is designated generally 25 and has attached to the side members of its frame forwardly projecting angle bars 33' which correspond in many respects to the bar 38 previously described. Extending transversely across the forward ends of the bars 38' is an inverted channel bar I03 supporting adjacent opposite ends vertically extending columns or standards I04, the upper ends of which support a transversely extending angle bar I which also serves to hold the standards Illd in spaced parallel relation. Suitable brace rods I06 extend rearwardly and downwardly from the upper ends of the standards I04 and are coupled at their lower rear ends to the angle bars 38 in order rigidly to hold the standards EM in upright position.

Mounted for vertical sliding movement on each standard I06 is a sleeve I01, and extending transversely of the machine and coupled at opposite ends to the sleeve I 01 are spaced parallel horizontally extending tie bars I08 to opposite ends of which are fixed vertically extending angle bars I09. The lower ends of the angle bars I09 have rigidly fixed thereto a transversely extending bar I09 and projecting forwardly from the bar I09 intermediate its ends is a shaft III) which is rockably received in a tube IIiI which is Welded or otherwise fixed to the spaced parallel bars 54 forming a supporting frame for the boots, nozzles, and conduits previously described. Fixed adjacent the upper ends of the vertically extending angle bars I09 are guy rods III each of which extends outwardly and downwardly, and is attached at its end remote from that connected to its respective angle bar I09 to a bar 54. Like the guy rods previously described each guy rod III is equipped with a retractile coil spring I I2 and a. turnbuckle II3. Secured to the transversely extending bar I05 substantiallymidway between opposite ends is a bracket. i I4 in which a sheave I15 is rotatably supported. A cable H6 is fixed at one end to the uppermost bar I08, and entrained over the sheave H5, and

suitable guide pulleys (not shown) with its end opposite that coupled to the bar I 08 connected to a, control mechanism, such as the lever 50, by which pull may be exerted thereon to raise the plant cleaning and insect control equipment previously described.

In the modification illustrated in Figure 7 a tractor designated generally I I1 is equipped with a power take-off pulley I I8 intermediate its ends. The plant cleaning equipment designated generally I I9 which corresponds in all respects to that previously described is mounted on spaced parallel bars I20 at the forward end of the tractor I II, but in place of the blower 29 previously described, which is mounted at the rear end of the tractor 25, I mount on the side of the tractor i I? a blower I2I, the drive shaft I22 of which carries a drive pulley I23 over which an endless belt IN is entrained. This belt has driving connection with th drive pulley II8 of the power talre-o1f pulley of the tractor Ill, and the discharge end of the blower is coupled through the medium of a suitable conduit I25 to the conduit leading to the discharge nozzles of the plant cleaning and insect control quipment I I9. It will thus be seen that the length of conduit necessary to operate the plant cleaning and insect control equipment may be materially shortened by mounting the blower I2I on the side of the tractor Hi.

In the modification illustrated. in Figures 8, 9 and 17, a blower I26 is mounted at the forward end of a tractor designated generally IZ'i', the crank shaft I28 of the motor of which is extended forwardly and carries a drive pulley I29. The blower shaft I30 carries a drive pulley I3I, and entrained over the drive pulleys I29 and ISI is an endless belt I32. Pivotally supported on the side of the tractor for movement toward or away from the belt I32 is a lever arm I33 carrying an idler pulley I34 which is rotatably supported in the plane of the pulleys I29 and I30 for movement toward or away from belt I32. A retractile coil spring I 35 is connected at one end to the lever I33 and at its opposite end to a suitable bracket I36 fixed to the tractor in such a position that the spring I35 will exert pull on the arm 39 to move the idler pulley I34 to tighten the belt I32. A suitable control cable I31 is connected at one end to the lever I33, and its opposite end leads rearwardly to a point within easy reach of the operator of the tractor so that the driving of the fan of the blower I26 may be easily controlled. The discharge end of the fan enters a nozzle I38 which corresponds in all respects to the nozzles 16 previously described. As illustrated in Figure 8 the nozzle I38 is supported on a frame I39mounted at the forward end of the tractor I21 upon which are supported the boots I48 arranged with their open sides facing the discharge openings I4I on its respective side of the discharge nozzle I38. Each boot I46 is coupled through the medium of an arched conduit I42 corresponding in all respects to the conduits 1| previously referred to and the ends of the conduits I42, opposite those which are connected to the boots, lead to a coupling ring I43 to which either a receptacle 86v or a receptacle 81 may be detachably connected. As illustrated the frame I39 is mounted on a standard or column I 44 to move vertically by manipulation of a rock shaft I45 and linkage mechanism corresponding in all respects to the rock shaft 46 and the associated linkage mechanism. The structure just described is primarily for use in the treatment of two rows of standing plants.

In some instances Where it is desired to treat a multiplicity of rows, and where the power takeoff for the tractor is at the forward end thereof I find it advantageous to mount on a tractor designated generally I46 (Fig. 15), having at its forward end a power take-off shaft I41, a pair of blowers I48 and I49 with the fans thereof mounted on a common drive shaft I50 which is driven from the power take-off shaft I41 through the medium of a conventional drive belt II A frame designated generally I52 which corresponds in all respects to the frame 54 is mounted for vertical sliding movement at the forward end of the tractor I46 on a vertically extending column I53. Like the frame 54 the frame I52 carries midway between opposite ends oppositely facing boots I54, and adjacent opposite ends are similar boots I55 which face inwardly toward the open. ends of the boots I54. Mounted in the frame I52 between oppositely disposed pairs of boots I 54 and I55 are discharge nozzles I56, having in opposite walls discharge openings I51 which are directed toward the boots I54 and I55. Like the equipment previously described the boots have coupled thereto at one end arched conduits II5, the opposite ends of which are coupled to coupling rings I59 to which one or the other of the receptacles previously described may be detachably connected. A flexible conduit I60 leads from the discharge end of each fan I48 and M9 to a discharge nozzle I56 so that when the fans I48 and I49 are set into operation an air blast will be discharged through the openings I51 in the nozzles I56 and directed toward the boots I54 and I55.

In the smaller type unit best illustrated in Figures 18 through 21, a farm tractor designated generally is equipped with a power plant I62, traction wheels I63 and steering wheels I64, the movements of which are governed by a steering wheel I65 mounted on the tractor near the operators seat I66. The power plant I62 of the tractor I6I is equipped with a power take off wheel I61 which has driving connection through the medium of an endless belt I68 to a drive pulley I69 to which a flexible shaft of conventional construction I is coupled.

Mounted at the forward end of the tractor are forwardly extending bars I1I supporting adjacent their forward ends a suitable transversely extending channel bar I12-supporting spaced parallel standards I13 upon which are mounted for vertical sliding movement sleeves I14. The upper ends of these standards are joined by a cross bar I14, and mounted on this bar midway between the standards is a sheave I15. A flexible cable I15 is entrained over this sheave and leads downward 1y over a suitable guide pulley I16 and then rearwardly through a suitable bracket I11 to a hand grip I18 which is located within easy reach of the operator of the vehicle when seated on the seat I66. Attached to the sleeves I14 is a frame I19 carrying a pair of spaced transversely bars I88 upon which is mounted midway between opposite ends a blower I8I. To the drive shaft of the blower is coupled one end of the flexible shaft I10 so that when the power take-off pulley I61 is driven, the fan of the blower I8I also will be driven. The discharge end of the blower is directed downwardly between the bars I86 and is coupled to an inverted Y-shaped nozzle I82 having vertically extending oppositely disposed discharge slots I83 through which the air blast created by the blower IBI is directed. Disposed on the bars I88 in spaced relation to the discharge slots I83 in the discharge nozzle I82 are boots I84, having open sides which are directed toward the slots I83 so that air issuing from the slots I83 will be directed into the boots I84. Each boot is provided with an arched discharge conduit I85 which leads upwardly and forwardly and terminates at its forward end in a suitable coupling flange I86 to which one of the receptacles 86 or 8| may be coupled. The arched conduit I85 leading from each boot I84 is provided on its inner periphery with an air discharge slot I81 so that the pressure of air entering the conduit from the boot will be gradually diminished as the coupling ring I86 is approached.

In certain instances it is desirable to equip each air discharge nozzle with discharge nozzles I88 through which insecticide may be introduced into the air blast issuing through the discharge 0penings, thereof. In one example, these discharge nozzles I88, as illustrated in Figure 5, are coupled through the medium of a suitable manifold I89 to a spray pipe I90 leading from any suitable source of liquid insecticide. A suitable spray nozzle I9I, and the nozzles I88 are so arranged on the air blast nozzles that the insecticide issuing therefrom will be discharged into the air blast lssuing from the respective air discharge nozzle with which the nozzles I88 and I89 may be associated.

In use it will be understood that the tractor is driven through a field so that the row of standing crops will pass between the air blast nozzles and their respective boots. With the blower on the respective tractor in operation an air blast will be directed through the discharge slots in the air blast nozzles so as to cause the plants, standing in the rows being treated, to be blown into the respective boots and by reason of the scraping action of the boots against the plants and the leaves thereof any insects, spoiled or damaged fruit, or foreign matter will be dislodged from the plants and blown through the arched conduits into the receptacles coupled to the coupling ring where they may be gathered, or destroyed according to the type of receptacle employed. In the meantime the pressure of the air entering the boots is gradually dissipated by reason of the slots which extend longitudinally of the inne peripheries of the arched conduits, so that by the time the undesirable material has reached a position where it will fall by gravity into a receptacle, the force of the air blast will have been dissipated so that little or no pressure will be created within the receptacle into which the insects and foreign matter have been discharged.

While in the foregoing there has been shown and described the preferred embodiment of this invention it is to be understood that minor changes in the details of construction, combination and arrangement of parts may be resorted to without departing from the spirit and scope of the invention as claimed.

Having described the invention, what is claimed as new is:

1. In a mobile suction machine for removing insects from plants, a portable frame, a vertically adjustable support mounted on the frame, a pair of vertical boots carried by the support, said boots having open sides arranged so that the open sides are in opposed relation, air discharge nozzles carried by the support and facing the open sides of the boots, a common receptacle for said boots, upwardly arched conduits leading from the sides of said boots opposite said open sides to the receptacle, each of said conduits having a longitudinal bottom slot in its underside coextensive therewith whereby the pressure of the air entering the boots and forcing insects from the plants therein will be gradually diminished as it approaches the receptacle, said conduits having juxtaposed discharge ends, and a ring coupling said ends together and to said receptacle and detachably suspending the receptacle.

2. In a mobile suction machine for removing insects from plants, a wheeled frame having a front end, an elongated cross frame on the front end of the wheeled frame, apair of vertical boots depending from said cross frame and spaced apart on said cross frame transversely of the wheeled frame with confronting open sides, air discharge nozzles depending from said cross frame intermediate said boots with open sides facing the open sides of the vertical boots, upwardly arched discharge conduits leading from the sides of the boots opposite said open sides of the boots and converging forwardly of said cross frame with juxtaposed downturned discharge ends spaced forwardly of said cross frame, and a receptacle for collecting the discharge from said conduits suspended from the discharge ends of the conduits in front of said cross frame.

3. The combination of claim 2, said conduitl comprising channel members inverted and pro viding bottom air escape slots therein coextensive in length with that of said conduits.

HARRY S. WILSON.

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